<script>
/** 
 * 页面的头部
 *  */
import { defineComponent,ref,getCurrentInstance,reactive,toRef, computed,onMounted,onActivated,watch } from "vue";
import img_1 from "../assets/header-bg.png";

export default defineComponent({
    props:{
        title:{
            type:String,
            default:'',
        },
        bgImg:{
            type:String,
            default:'',
        },
    },
    components: {
        
    },
    setup(props){
        const dataContainer = reactive({
            img:{
                img_1:img_1,
            },
            title:toRef(props,'title'),
            bgImg:toRef(props,'bgImg'),
        });
        return {
            dataContainer,
        };
    },
});
</script>

<template>
    <div
        :style="{
            '--bg-img':`url(${dataContainer.bgImg || dataContainer.img.img_1})`,
        }" 
        class="view-head-cp-container">
        <div class="left">
            <slot name="left"></slot>
        </div>
        <div class="centre">
            {{dataContainer.title}}
        </div>
        <div class="right">
            <slot name="right"></slot>
        </div>
    </div>
</template>

<style lang="scss" scoped>
.view-head-cp-container{
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 15px;
    box-sizing: border-box;
    background-image: var(--bg-img);
    background-repeat: no-repeat;
    background-size: 100% 100%;
    background-position: center;
    >.left{
        display: flex;
        flex-direction: row;
        justify-content: flex-start;
        align-items: center;
        font-size: 15px;
        font-family: PingFangSC-Semibold, PingFang SC;
        font-weight: 600;
        color: #FFFFFF;
    }
    >.centre{
        display: flex;
        flex-direction: row;
        justify-content: center;
        align-items: center;
        font-size: 42px;
        line-height: 1;
        font-weight: normal;
        font-stretch: normal;
        letter-spacing: 2px;
        color: #ffffff;
        transform: translateY(-11px);
        font-family: Avenir, sans-serif;
    }
    >.right{
        display: flex;
        flex-direction: row;
        justify-content: flex-end;
        align-items: center;
        font-size: 15px;
        font-family: PingFangSC-Semibold, PingFang SC;
        font-weight: 600;
        color: #FFFFFF;
    }
}
</style>
